posted on Nov, 19 2011 @ 05:53 PM
In my opinion it's lens flare, I'm a photographer, I have a 60D, I take night exposures, I know what lens flare looks like, sorry to be blunt but
that's what it is. It made even more sense when I found out it was the 17-85mm lens because this is a known characteristic of the lens.
It might not have been bright enough to be visible in the viewfinder and only showed up during long exposures.
In fact if you draw a line straight through the yellow one the line will eventually meet a light source at the bottom of the photo in perfect
alignment thus proving it is the light source responsible for the flare, the movement of the trees no doubt obscures the the light sources to a degree
although they would not have been bright to begin with if the long exposure is anything to go by.
The fact that all three are aligned vertically and converge inwards is also telling as is the basic shape of all three "objects", as is typical for
this kind of lens flare you get the "jellyfish" or "spinning top" shape where we see a very basic insight into the actual optical layout of the
lens with the large front element at the front of the lens and then smaller elements towards the rear.